/* 2.1全局样式 */
html,
body,
#app {
  margin: 0;
  padding: 0;
  height: 100%;
}
.el-card {
  margin-top: 20px;
}
.el-table {
  margin-top: 15px;
}
.el-pagination {
  margin-top: 10px;
  text-align: center;
}